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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the QtDataVisualization module.
**
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
**
****************************************************************************/
import QtQuick 2.0
Rectangle {
id: controlRect
color: "#000000"
property real xValue : 0
property real yValue : 0
property real minXValue : 0
property real minYValue : 0
property real maxXValue : 0
property real maxYValue : 0
property real halfWidth: width / 2.0;
property real halfHeight: height / 2.0;
Rectangle {
id: pointer
color: "#FFFFFF"
width: 5
height: 5
}
MouseArea {
id: inputArea
anchors.fill: parent
onPositionChanged: {
pointer.x = Math.min(Math.max(0, mouse.x), controlRect.width - pointer.width );
pointer.y = Math.min(Math.max(0, mouse.y), controlRect.height - pointer.height);
var mixX = (mouse.x / controlRect.width);
var mixY = (mouse.y / controlRect.width);
controlRect.xValue = minXValue*(1-mixX) + maxXValue*mixX;
controlRect.yValue = minYValue*(1-mixY) + maxYValue*mixY;
}
}
}
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